Personal alarm



FIG. 1 is a left side view of a personal alarm showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is an bottom plan view thereof. 

The ornamental design for a "personal alarm," as shown and described. 